你会说英语吗？ (nǐ huì shuō yīngyǔ ma?)
Let's break it down:
* 你 (nǐ) - you
* 会 (huì) - can, able to
* 说 (shuō) - speak
* 英语 (yīngyǔ) - English
* 吗 (ma) - a question particle, indicating a question
So, the full phrase is: "You can speak English?" which directly translates to "Can you speak English?".